<html>
<head>
<style>
@media screen{
    p.test {font-family:verdana,sans-serif;font-size:14px;}
}
@media print{
    p.test {font-family:times,serif;font-size:10px;}
}
@media screen,print{
    p.test {font-weight:bold;}
}
</style>
</head>

<body>
....
</body>
</html>